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Why prefer two's complement over sign-and-magnitude for signed numbers?
...der to represent -1 in binary, two's complement is used: flipping the bits and adding 1?
18 Answers
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Abusing the algebra of algebraic data types - why does this work?
...ely, all unit types. They behave identically under algebraic manipulations and, more importantly, the amount of information present is still preserved.
You probably want a zero type as well. Haskell provides that as Void. There are no values whose type is zero, just as there is one value whose type ...
What is the meaning and difference between subject, user and principal?
...ntext of security frameworks, a few terms commonly occur subject , user and principal , of which I have not been able to find a clear definition and the difference between them.
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
...ing at a HTML 5 boilerplate template (from http://html5boilerplate.com/ ) and noticed the use of "?v=1" in URLs when referring to CSS and Javascript files.
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Business logic in MVC [closed]
... @mud what if we devide our model into two more layers i.e service layer and repository...service layer is responsible for business logic and repository is responsible for data layer...?
– Dragon
Nov 14 '15 at 19:02
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Java Interfaces/Implementation naming convention [duplicate]
...ation information to add to the implementation name - like interface FileHandler and class SqlFileHandler .
9 Answers
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Is there a standard for storing normalized phone numbers in a database?
...in database fields? I'm looking for something that is flexible enough to handle international numbers, and also something that allows the various parts of the number to be queried efficiently.
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Is there a way to get the source code from an APK file?
The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months.
All I have is the APK file that is stored in my email from when I sent it to a friend.
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Best practices: throwing exceptions from properties
...eed to throw. For setters they indicate that exceptions are an appropriate and acceptable error handling strategy.
For indexers, Microsoft indicates that it is acceptable for both getters and setters to throw exceptions. And in fact, many indexers in the .NET library do this. The most common except...
What is the purpose of a stack? Why do we need it?
...the stack?
I assume you mean the evaluation stack of the MSIL language, and not the actual per-thread stack at runtime.
Why is there a transfer from memory to stack or "loading?" On the other hand, why is there a transfer from stack to memory or "storing"? Why not just have them all placed i...